Casper Weather Forecast

    • 49
    • 87

    Slight Chance Thunderstorms

    • 46
    • 77

    Chance Thunderstorms

    • 46
    • 81

    Slight Chance Thunderstorms

    • 47
    • 78

    Mostly Sunny

    • 49
    • 84

    Mostly Sunny

    • 50
    • 86

    Slight Chance Thunderstorms

Today 20 Jun Natrona County Lower Elevations

Mostly cloudy in the Morning, then partly cloudy with a chance of dry Thunderstorms and Showers in the afternoon. Breezy with Highs in the mid 80s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph in the afternoon. Chance of rain 30 percent.

Tonight 20 Jun Natrona County Lower Elevations

Partly cloudy. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Casper Temperature Statistics

June Temperature

Casper, Natrona County International Airport (8.1 miles)

  • Lowest 15 June, 2026

    30.7 °F

  • Average June

    62.1 °F

  • Highest 6 June, 2026

    96.7 °F

Climate (2021–2026)

Casper, Natrona County International Airport (8.1 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.4 °F
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